G.f. C(x) satisfies: Sum_{n>=0} (-1)^n * n * ( C(C(x)) - (-1)^n*C(C(-x)) )^n = 0.
A318642
G.f. C(x) satisfies: Sum_{n>=0} (-1)^n * n * ( C(C(x)) - (-1)^n*C(C(-x)) )^n = 0.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =56a(4) =304a(5) =2944a(6) =22592a(7) =196864a(8) =1700352a(9) =14416896a(10) =127798272a(11) =1141090304a(12) =10314440704a(13) =92351643648a(14) =836353277952
External references
- oeis: A318642